CuraGen to Present CR011-vcMMAE Data at ASCO

BRANFORD, Conn., May 28 /PRNewswire-FirstCall/ -- CuraGen Corporation today announced plans for three data presentations from its ongoing clinical trials of CR011-vcMMAE, an antibody-drug conjugate that targets GPNMB, in patients with advanced breast cancer and melanoma at the 2009 Annual Meeting of the American Society of Clinical Oncology (ASCO) in Orlando, Florida.

CR011-vcMMAE is an antibody-drug conjugate (ADC) being developed by CuraGen that consists of a fully-human monoclonal antibody, CR011, linked to a potent cell-killing drug, monomethyl-auristatin E (MMAE). The ADC technology, comprised of MMAE and a stable linker system for attaching it to CR011, was licensed from Seattle Genetics, Inc. The ADC is designed to be stable in the bloodstream. Following intravenous administration, CR011-vcMMAE targets and binds to GPNMB, a specific protein that is predominantly expressed on the surface of cancer cells, including melanoma, breast cancer and gliomas. Upon internalization into the targeted cell, CR011-vcMMAE is designed to release MMAE from CR011 to produce a cell-killing effect. CR011-vcMMAE is currently in two Phase II trials assessing the safety and efficacy in the treatment of melanoma and for the treatment of metastatic breast cancer, and in a Phase I trial to evaluate the safety and activity of alternate dosing schedules.

About Breast Cancer

Breast cancer is the most common cancer in women and a leading cause of death in the United States. According to the American Cancer Society, more than 180,000 women will be diagnosed with invasive breast cancer in 2009 with more than 40,000 deaths attributed to this disease. Despite recent advances in therapy, the median survival of patients with metastatic breast cancer is 2 to 3 years, while patients with "triple-negative" or "basal-like" breast cancer have limited treatment options and poorer outcomes. Therefore, a significant unmet need remains for novel therapeutic approaches for patients with locally advanced and metastatic breast cancer who have failed other therapies.

About Melanoma

According to the American Cancer Society, it is expected that approximately 60,000 new cases of melanoma will be diagnosed, including nearly 11,000 patients diagnosed with Stage III or Stage IV disease, and an estimated 8,000 people in the U.S. will die of the disease during 2009. The prognosis for patients with advanced melanoma is poor, and studies have shown that the median survival is less than nine months.

Forward-Looking Statements

Statements in this press release regarding management's future expectations, beliefs, intentions, goals, strategies, plans or prospects, including statements relating to CuraGen's development program for CR011-vcMMAE, including CuraGen's ability to advance CR011-vcMMAE through Phase II clinical trials for melanoma and metastatic breast cancer, to explore additional doses and schedules of this antibody-drug conjugate, and to explore the potential of CR011-vcMMAE in a patient population in need of new therapies may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by terminology such as "anticipate," "believe," "could," "could increase the likelihood," "estimate," "expect," "intend," "is planned," "may," "should," "will," "will enable," "would be expected," "look forward," "may provide," "would" or similar terms, variations of such terms or the negative of those terms. Such forward-looking statements involve known and unknown risks, uncertainties and other factors including the risk that any one or more of CuraGen's drug development programs will not proceed as planned for technical, scientific or commercial reasons or due to patient enrollment issues or based on new information from nonclinical or clinical studies or from other sources, the success of competing products and technologies, CuraGen's stage of development as a biopharmaceutical company, government regulation and healthcare reform, technological uncertainty and product development risks, product liability exposure, uncertainty of additional funding, CuraGen's history of incurring losses and the uncertainty of achieving profitability, reliance on research collaborations and strategic alliances, competition, patent infringement claims against CuraGen's products, processes and technologies, CuraGen's ability to protect its patents and proprietary rights and uncertainties relating to commercialization rights, as well as those risks, uncertainties and factors referred to in CuraGen's Quarterly Report on Form 10-Q for the period ended March 31, 2009 filed with the Securities and Exchange Commission under the section "Risk Factors," as well as other documents that may be filed by CuraGen from time to time with the Securities and Exchange Commission. As a result of such risks, uncertainties and factors, CuraGen's actual results may differ materially from any future results, performance or achievements discussed in or implied by the forward-looking statements contained herein. CuraGen is providing the information in this press release as of this date and assumes no obligations to update the information included in this press release or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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